566139149 has 2 divisors, whose sum is σ = 566139150. Its totient is φ = 566139148.

The previous prime is 566139121. The next prime is 566139169. The reversal of 566139149 is 941931665.

566139149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 549574249 + 16564900 = 23443^2 + 4070^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-566139149 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (566139169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 283069574 + 283069575.

It is an arithmetic number, because the mean of its divisors is an integer number (283069575).

Almost surely, 2^566139149 is an apocalyptic number.

It is an amenable number.

566139149 is a deficient number, since it is larger than the sum of its proper divisors (1).

566139149 is an equidigital number, since it uses as much as digits as its factorization.

566139149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 174960, while the sum is 44.

The square root of 566139149 is about 23793.6787613853. The cubic root of 566139149 is about 827.2581655043.

The spelling of 566139149 in words is "five hundred sixty-six million, one hundred thirty-nine thousand, one hundred forty-nine".